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What other parts should I be concerned about if my pinion bearing went bad?

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What other parts should I be concerned about if my pinion bearing went bad?

Old 10/1/15, 06:08 AM
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What other parts should I be concerned about if my pinion bearing went bad?

I have a 2013 Mustang 3.7L and Ford just replaced my pinion bearing among a few other things. I will have more details later today when I pick the car up. The dealership said they found metal shavings in the differential.

I've driven a few hundred miles on this bad pinion. My back tires wobbled back and forth and there was a loud grinding noise
  1. Could something like this damage or degrade the gears or other parts?
  2. What else should typically be replaced when something like this happens?
  3. What should I look/listen for when I pick the car up?

I only have ~20,000 miles remaining on my power train warranty so I want to make sure this is fully resolved. I've never worked with rear differentials before so I'm trying to educate myself.

Here's a thread detailing my problems
https://themustangsource.com/forums/...ar-axle-538888
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Old 10/1/15, 12:07 PM
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Originally Posted by Rando View Post
I have a 2013 Mustang 3.7L and Ford just replaced my pinion bearing among a few other things. I will have more details later today when I pick the car up. The dealership said they found metal shavings in the differential.

I've driven a few hundred miles on this bad pinion. My back tires wobbled back and forth and there was a loud grinding noise
  1. Could something like this damage or degrade the gears or other parts?
  2. What else should typically be replaced when something like this happens?
  3. What should I look/listen for when I pick the car up?

I only have ~20,000 miles remaining on my power train warranty so I want to make sure this is fully resolved. I've never worked with rear differentials before so I'm trying to educate myself.

Here's a thread detailing my problems
https://themustangsource.com/forums/...ar-axle-538888
Drive your car and enjoy it, stop worrying about it breaking down.
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Old 10/1/15, 12:43 PM
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Originally Posted by TheReaper View Post
Drive your car and enjoy it, stop worrying about it breaking down.
I've done that for 40,000 miles and so far it's done me no good.

Here's what Ford replaced on my car
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Old 10/9/15, 01:22 PM
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How much did it cost you to get all of this done?
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Old 10/10/15, 06:07 AM
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Originally Posted by firstang001 View Post
How much did it cost you to get all of this done?
I like this response , but also understand where he's coming from. When big dollar service is required, whether the warranty covered it or not a lot of folks will continue to worry over it.
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Old 10/15/15, 12:43 PM
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It's not very likely the ring gear, side gears, and spider gears would be damaged from some metal shavings. They are pretty hard gears. What you might be concerned about is the limited slip differential and the clutch packs in there. It looks like the tech just inspected the pinion and carrier bearings, and didn't look at anything else. Common practice though...if it's not broke or being complained about, DON'T fix it. I honestly wouldn't be too worried about it though.
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